AGGREGATE SUPPORTS AND OLEFIN POLYMERIZATION CATALYSTS SUPPORTED THEREON

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(11)

EP 0 906 349 A1

(12)

(43)	Date of publication:
	07.04.1999 Bulletin 1999/14

(21)	Application number: 97932564.0

(22)	Date of filing: 19.06.1997

(51)

International Patent Classification (IPC):

B01J 31/ 22^{( . )}
B01J 35/ 02^{( . )}
C08F 4/ 02^{( . )}
C08F 4/ 612^{( . )}

B01J 32/ 00^{( . )}
B01J 37/ 00^{( . )}
C08F 4/ 61^{( . )}
C08F 10/ 00^{( . )}

(86)	International application number:
	PCT/US1997/011951

(87)	International publication number:
	WO 1997/048742 (24.12.1997 Gazette 1998/03)

(84)	Designated Contracting States:
	DE GB NL

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Priority:

21.06.1996 US 19960667553

(71)	Applicant: W.R. Grace & Co.-Conn.
	New York New York 10036 (US)

(72)	Inventors:
	DENTON, Dean, Alexander Baltimore, MD 21229 (US) CARNEY, Michael, J. Eldersburg, MD 21784 (US)

(74)	Representative: Senior, Alan Murray, et al
	J.A. KEMP & CO., 14 South Square, Gray's Inn London WC1R 5LX London WC1R 5LX (GB)

(54)	AGGREGATE SUPPORTS AND OLEFIN POLYMERIZATION CATALYSTS SUPPORTED THEREON